Hazardous substances in the sediments and their pathways from potential sources in the eastern Gulf of Finland
Contamination by hazardous substances is one of the main environmental problems in the eastern Gulf of Finland, Baltic Sea. A trilateral effort to sample and analyse heavy metals (HMs), polycyclic aromatic hydrocarbons (PAHs), and organotins from bottom sediments in 2019–2020 were conducted along with harvesting historical data in Russian, Estonian and Finnish waters. We suggest that the input of organotins still occurs along the ship traffic routes. The tributyltin content exceeded the established quality criteria up to more than 300 times. High contamination by PAHs found near the ports, most likely originate from incomplete fuel incineration processes. The Neva River Estuary and Luga Bay might potentially suffer from severe cadmium contamination. The high ecological risk attributed to the HMs was detected at deep offshore areas. The simulated accumulation pattern qualitatively agrees with field observations of HMs in sediments, demonstrating the potential of numerical tools to tackle the hazardous substances problems.
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2020-12-31
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2023-04-26
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47f5c3f6-ad72-4278-b736-6022e2b397d0 |
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English:
English
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UTF8:
8-bit variable size UCS Transfer Format, based on ISO/IEC 10646
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COMMISSION REGULATION (EC) No 1205/2008 of 3 December 2008 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards metadata |
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2010-12-08
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See the referenced specification |
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No |
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Corrigendum to INSPIRE Metadata Regulation published in the Official Journal of the European Union, L 328, page 83 |
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2010-12-08
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See the referenced specification |
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No |
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Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services |
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2010-12-08
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Date identifies when the resource was issued
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See the referenced specification |
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No |
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CC BY-SA 4.0 |
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WWW:LINK-1.0-http--link |
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